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1 Mai 2007 Jahr - CERI de la OCDE
Beschreibung:
Informe: "Dar conocimiento de forma gratuita: La aparición de los recursos educativos abiertos".
Zugefügt zum Band der Zeit:
linea de tiempo red
By
jose ferney giraldo bañol
4 Feb 2020
0
0
279
Datum:
1 Mai 2007 Jahr
Jetzt
~ 17 years ago
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